The biology of gender, from DNA to the brain ...

What can happy rats teach us about human joy? Behavioral neuroscientist Kelly Lambert describes how her team trained rats to drive tiny cars to earn treats — and noticed something surprising about how effort and anticipation affect the brain. The experiment opens new questions ab ...  Show more

When the 2025 Los Angeles wildfires destroyed his home and neighborhood, scientist Christian Busch encountered the opposite of serendipity: "zemblanity," or bad luck by design. Drawing on more than a decade of scientific research, he explores how people can navigate unpredictabil ...  Show more

Gender is one of the first things we notice about the people around us. But where do our ideas about gender come from? Can gender differences be explained by genes and chromosomes, or are they the result of upbringing, culture and the environment? This week, we delve into the ...

Original broadcast date: May 8, 2020. Many of us were taught biological sex is a question of female or male, XX or XY... but it's far more complicated. This hour, TED speakers explore what determines our sex. Guests on the show include artist Emily Quinn, journalist Molly Webster ...  Show more

Original broadcast date: May 8, 2020. Many of us were taught biological sex is a question of female or male, XX or XY ... but it's far more complicated. This hour, TED speakers explore what determines our sex. Guests on the show include artist Emily Quinn, journalist Molly Webste ...  Show more

Sam Harris speaks with Robert Plomin about the role that DNA plays in determining who we are. They discuss the birth of behavioral genetics, the taboo around studying the influence of genes on human psychology, controversies surrounding the topic of group differences, the first l ...  Show more